CVE-2026-123040
Received Received - Intake

Privilege Escalation in TrueConf Server Linux

Vulnerability report for CVE-2026-123040, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-11-11

Last updated on: 2026-11-11

Assigner: Kaspersky Labs

Description

An attacker who gains the ability to execute arbitrary code on a system with TrueConf Server (Linux) versions from 4.7.2 up to, but not including, 5.5.6 installed, running as the user trueconf (by exploiting some other vulnerability), can elevate their privileges to root.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-11-11
Last Modified
2026-11-11
Generated
2026-11-11
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
TrueConf TrueConf Server From 4.7.2 (inc) to 5.5.6 (exc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-276 During installation, installed file permissions are set to allow anyone to modify those files.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
AI Quick Actions have not been generated yet.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-123040. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart

Security Radar

News mentioning this vulnerability
Loading related security news...